btm_ble_api.h

/******************************************************************************
 *
 *  Copyright (C) 1999-2012 Broadcom Corporation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at:
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 ******************************************************************************/
 
/******************************************************************************
 *
 *  This file contains the Bluetooth Manager (BTM) API function external
 *  definitions.
 *
 ******************************************************************************/
#ifndef BTM_BLE_API_H
#define BTM_BLE_API_H
 
#include "btm_api.h"
 
#define CHNL_MAP_LEN    5
typedef UINT8 tBTM_BLE_CHNL_MAP[CHNL_MAP_LEN];
 
#define BTM_BLE_SCAN_MODE_PASS      0
#define BTM_BLE_SCAN_MODE_ACTI      1
#define BTM_BLE_SCAN_MODE_NONE      0xff
typedef UINT8 tBTM_BLE_SCAN_MODE;
 
/* advertising channel map */
#define BTM_BLE_ADV_CHNL_37    (0x01 << 0)
#define BTM_BLE_ADV_CHNL_38    (0x01 << 1)
#define BTM_BLE_ADV_CHNL_39    (0x01 << 2)
typedef UINT8 tBTM_BLE_ADV_CHNL_MAP;
 
/*d efault advertising channel map */
#ifndef BTM_BLE_DEFAULT_ADV_CHNL_MAP
#define BTM_BLE_DEFAULT_ADV_CHNL_MAP   (BTM_BLE_ADV_CHNL_37| BTM_BLE_ADV_CHNL_38| BTM_BLE_ADV_CHNL_39)
#endif
 
/* advertising filter policy */
#define AP_SCAN_CONN_ALL           0x00        /* default */
#define AP_SCAN_WL_CONN_ALL        0x01
#define AP_SCAN_ALL_CONN_WL        0x02
#define AP_SCAN_CONN_WL            0x03
#define AP_SCAN_CONN_POLICY_MAX    0x04
typedef UINT8   tBTM_BLE_AFP;
 
/* default advertising filter policy */
#ifndef BTM_BLE_DEFAULT_AFP
#define BTM_BLE_DEFAULT_AFP   AP_SCAN_CONN_ALL
#endif
 
/* scanning filter policy */
#define SP_ADV_ALL     0x00     /* accept adv pakt from all, directed adv pkt not directed to me is ignored */
#define SP_ADV_WL      0x01     /* accept adv pakt from device in white list, directed adv pkt not directed to me is ignored */
typedef UINT8   tBTM_BLE_SFP;
 
#ifndef BTM_BLE_DEFAULT_SFP
#define BTM_BLE_DEFAULT_SFP   SP_ADV_ALL
#endif
 
/* adv parameter boundary values */
#define BTM_BLE_ADV_INT_MIN            0x0020
#define BTM_BLE_ADV_INT_MAX            0x4000
 
/* connection parameter boundary value */
#define BTM_BLE_SCAN_INT_MIN            0x0004
#define BTM_BLE_SCAN_INT_MAX            0x4000
#define BTM_BLE_SCAN_WIN_MIN            0x0004
#define BTM_BLE_SCAN_WIN_MAX            0x4000
#define BTM_BLE_CONN_INT_MIN            0x0006
#define BTM_BLE_CONN_INT_MAX            0x0C80
#define BTM_BLE_CONN_LATENCY_MAX        500
#define BTM_BLE_CONN_SUP_TOUT_MIN       0x000A
#define BTM_BLE_CONN_SUP_TOUT_MAX       0x0C80
#define BTM_BLE_CONN_PARAM_UNDEF        0xffff      /* use this value when a specific value not to be overwritten */
 
/* default connection parameters if not configured, use GAP recommend value for auto/selective connection */
/* default scan interval */
#ifndef BTM_BLE_CONN_EST_SCAN_INT
#define BTM_BLE_CONN_EST_SCAN_INT    96    /* 312.5 ms   = 500 *0.625 */
#endif
/* default scan window for background connection, applicable for auto connection or selective conenction */
#ifndef BTM_BLE_CONN_EST_SCAN_WIND
#define BTM_BLE_CONN_EST_SCAN_WIND   48      /* 187.5 ms = 400 *0.625 */
#endif
 
/* default scan paramter used in reduced power cycle */
#ifndef BTM_BLE_CONN_EST_SCAN_INT_LO
#define BTM_BLE_CONN_EST_SCAN_INT_LO    2048    /* 1.28 s   = 500 *0.625 */
#endif
#ifndef BTM_BLE_CONN_EST_SCAN_WIND_LO
#define BTM_BLE_CONN_EST_SCAN_WIND_LO   18      /* 11.25 ms = 400 *0.625 */
#endif
 
/* default connection interval min */
#ifndef BTM_BLE_CONN_INT_MIN_DEF
#define BTM_BLE_CONN_INT_MIN_DEF     40      /* 50ms = 400 * 1.25 */
#endif
/* default connectino interval max */
#ifndef BTM_BLE_CONN_INT_MAX_DEF
#define BTM_BLE_CONN_INT_MAX_DEF     56      /* 70ms = 56 * 1.25 */
#endif
/* default slave latency */
#ifndef BTM_BLE_CONN_SLAVE_LATENCY_DEF
#define BTM_BLE_CONN_SLAVE_LATENCY_DEF  0      /* 0 */
#endif
/* default supervision timeout */
#ifndef BTM_BLE_CONN_TIMEOUT_DEF
#define BTM_BLE_CONN_TIMEOUT_DEF    2000
#endif
 
#define BTM_CMAC_TLEN_SIZE          8                   /* 64 bits */
#define BTM_BLE_AUTH_SIGN_LEN       12                   /* BLE data signature length 8 Bytes + 4 bytes counter*/
typedef UINT8 BLE_SIGNATURE[BTM_BLE_AUTH_SIGN_LEN];         /* Device address */
 
/* Structure returned with Rand/Encrypt complete callback */
typedef struct
{
    UINT8   status;
    UINT8   param_len;
    UINT16  opcode;
    UINT8   param_buf[BT_OCTET16_LEN];
} tBTM_RAND_ENC;
 
/* General callback function for notifying an application that a synchronous
** BTM function is complete. The pointer contains the address of any returned data.
*/
typedef void (tBTM_RAND_ENC_CB) (tBTM_RAND_ENC *p1);
 
#define BTM_BLE_FILTER_TARGET_SCANNER       0x01
#define BTM_BLE_FILTER_TARGET_ADVR          0x00
 
#define BTM_BLE_POLICY_BLACK_ALL            0x00    /* relevant to both */
#define BTM_BLE_POLICY_ALLOW_SCAN           0x01    /* relevant to advertiser */
#define BTM_BLE_POLICY_ALLOW_CONN           0x02    /* relevant to advertiser */
#define BTM_BLE_POLICY_WHITE_ALL            0x03    /* relevant to both */
 
typedef struct
{
    UINT8               adv_int_min;
    UINT8               adv_int_max;
    tBTM_BLE_CHNL_MAP   chnl_map;
 
}tBTM_BLE_ADV_PARAMS;
 
/* ADV data flag bit definition used for BTM_BLE_AD_TYPE_FLAG */
#define BTM_BLE_LIMIT_DISC_FLAG         (0x01 << 0)
#define BTM_BLE_GEN_DISC_FLAG           (0x01 << 1)
#define BTM_BLE_BREDR_NOT_SPT           (0x01 << 2)
#define BTM_BLE_NON_LIMIT_DISC_FLAG     (0x00 )         /* lowest bit unset */
#define BTM_BLE_ADV_FLAG_MASK           (BTM_BLE_LIMIT_DISC_FLAG | BTM_BLE_BREDR_NOT_SPT | BTM_BLE_GEN_DISC_FLAG)
#define BTM_BLE_LIMIT_DISC_MASK         (BTM_BLE_LIMIT_DISC_FLAG )
 
#define BTM_BLE_AD_BIT_DEV_NAME        (0x0001 << 0)
#define BTM_BLE_AD_BIT_FLAGS           (0x0001 << 1)
#define BTM_BLE_AD_BIT_MANU            (0x0001 << 2)
#define BTM_BLE_AD_BIT_TX_PWR          (0x0001 << 3)
#define BTM_BLE_AD_BIT_ATTR            (0x0001 << 4)
#define BTM_BLE_AD_BIT_INT_RANGE       (0x0001 << 5)
#define BTM_BLE_AD_BIT_SERVICE         (0x0001 << 6)
#define BTM_BLE_AD_BIT_SERVICE_SOL     (0x0001 << 7)
#define BTM_BLE_AD_BIT_SERVICE_DATA    (0x0001 << 8)
#define BTM_BLE_AD_BIT_SIGN_DATA       (0x0001 << 9)
#define BTM_BLE_AD_BIT_PROPRIETARY     (0x0001 << 15)
 
typedef  UINT16  tBTM_BLE_AD_MASK;
 
#define BTM_BLE_AD_TYPE_FLAG            0x01
#define BTM_BLE_AD_TYPE_SRV_PART        0x02
#define BTM_BLE_AD_TYPE_SRV_CMPL        0x03
#define BTM_BLE_AD_TYPE_NAME_SHORT      0x08
#define BTM_BLE_AD_TYPE_NAME_CMPL       0x09
#define BTM_BLE_AD_TYPE_TX_PWR          0x0A
#define BTM_BLE_AD_TYPE_DEV_CLASS       0x0D
#define BTM_BLE_AD_TYPE_ATTR            0x10
#define BTM_BLE_AD_TYPE_MANU            0xff
#define BTM_BLE_AD_TYPE_INT_RANGE       0x12
#define BTM_BLE_AD_TYPE_SOL_SRV_UUID    0x14
typedef UINT8   tBTM_BLE_AD_TYPE;
 
/* slave preferred connection interval range */
typedef struct
{
    UINT16  low;
    UINT16  hi;
 
}tBTM_BLE_INT_RANGE;
 
/* Service tag supported in the device */
typedef struct
{
    UINT8       num_service;
    BOOLEAN     list_cmpl;
    UINT16      *p_uuid;
}tBTM_BLE_SERVICE;
 
/* attribute data */
typedef struct
{
    UINT16       uuid;
    UINT16       data_len;
    UINT8       *p_data;
}tBTM_BLE_ATTR;
 
#ifndef BTM_BLE_NUM_AD_ATTR_MAX
#define BTM_BLE_NUM_AD_ATTR_MAX         10
#endif
/* attribute list contained in adv data */
typedef struct
{
    UINT8               num_attr;
    tBTM_BLE_ATTR       attr_list[BTM_BLE_NUM_AD_ATTR_MAX];
}tBTM_BLE_ATTR_DATA;
 
typedef struct
{
    UINT8       len;
    UINT8      *p_val;
}tBTM_BLE_MANU;
 
typedef struct
{
    UINT8       adv_type;
    UINT8       len;
    UINT8       *p_val;     /* number of len byte */
}tBTM_BLE_PROP_ELEM;
 
typedef struct
{
    UINT8                   num_elem;
    tBTM_BLE_PROP_ELEM      *p_elem;
}tBTM_BLE_PROPRIETARY;
 
typedef struct
{
    tBTM_BLE_MANU           manu;        /* manufactuer data */
    tBTM_BLE_INT_RANGE      int_range;      /* slave prefered conn interval range */
    tBTM_BLE_SERVICE        services;       /* services */
    tBTM_BLE_ATTR_DATA      attr;           /* attribute data */
    UINT8                   flag;
    tBTM_BLE_PROPRIETARY    *p_proprietary;
}tBTM_BLE_ADV_DATA;
 
/* These are the fields returned in each device adv packet.  It
** is returned in the results callback if registered.
*/
typedef struct
{
    UINT8               conn_mode;
    tBTM_BLE_AD_MASK    ad_mask;        /* mask of the valid adv data field */
    UINT8               flag;
    UINT8               tx_power_level;
    UINT8               remote_name_len;
    UINT8               *p_remote_name;
    tBTM_BLE_ATTR_DATA  attr_data;
    tBTM_BLE_SERVICE    service;
} tBTM_BLE_INQ_DATA;
 
enum
{
    BTM_BLE_CONN_NONE,
    BTM_BLE_CONN_AUTO,
    BTM_BLE_CONN_SELECTIVE
};
typedef UINT8   tBTM_BLE_CONN_TYPE;
 
typedef BOOLEAN (tBTM_BLE_SEL_CBACK)(BD_ADDR random_bda,     UINT8 *p_remote_name);
 
/* callback function for SMP signing algorithm, signed data in little endian order with tlen bits long */
typedef void (tBTM_BLE_SIGN_CBACK)(void *p_ref_data, UINT8 *p_signing_data);
typedef void (tBTM_BLE_VERIFY_CBACK)(void *p_ref_data, BOOLEAN match);
/* random address set complete callback */
typedef void (tBTM_BLE_RANDOM_SET_CBACK) (BD_ADDR random_bda);
 
typedef void (tBTM_BLE_SCAN_REQ_CBACK)(BD_ADDR remote_bda, tBLE_ADDR_TYPE addr_type, UINT8 adv_evt);
/*****************************************************************************
**  EXTERNAL FUNCTION DECLARATIONS
*****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
/*******************************************************************************
**
** Function         BTM_SecAddBleDevice
**
** Description      Add/modify device.  This function will be normally called
**                  during host startup to restore all required information
**                  for a LE device stored in the NVRAM.
**
** Parameters:      bd_addr          - BD address of the peer
**                  bd_name          - Name of the peer device.  NULL if unknown.
**                  dev_type         - Remote device's device type.
**                  addr_type        - LE device address type.
**
** Returns          TRUE if added OK, else FALSE
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_SecAddBleDevice (BD_ADDR bd_addr, BD_NAME bd_name,
                                           tBT_DEVICE_TYPE dev_type, tBLE_ADDR_TYPE addr_type);
 
/*******************************************************************************
**
** Function         BTM_SecAddBleKey
**
** Description      Add/modify LE device information.  This function will be
**                  normally called during host startup to restore all required
**                  information stored in the NVRAM.
**
** Parameters:      bd_addr          - BD address of the peer
**                  p_le_key         - LE key values.
**                  key_type         - LE SMP key type.
*
** Returns          TRUE if added OK, else FALSE
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_SecAddBleKey (BD_ADDR bd_addr, tBTM_LE_KEY_VALUE *p_le_key,
                                         tBTM_LE_KEY_TYPE key_type);
 
/*******************************************************************************
**
** Function         BTM_BleSetAdvParams
**
** Description      This function is called to set advertising parameters.
**
** Parameters:       None.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern tBTM_STATUS BTM_BleSetAdvParams(UINT16 adv_int_min, UINT16 adv_int_max,
                                tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP chnl_map);
 
/*******************************************************************************
**
** Function         BTM_BleWriteAdvData
**
** Description      This function is called to write advertising data.
**
** Parameters:       None.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern tBTM_STATUS BTM_BleWriteAdvData(tBTM_BLE_AD_MASK  data_mask,
                                               tBTM_BLE_ADV_DATA *p_data);
 
/*******************************************************************************
**
** Function         BTM_BleSetAdvParams
**
** Description      This function is called to set advertising parameters.
**
** Parameters       adv_int_min: minimum advertising interval
**                  adv_int_max: maximum advertising interval
**                  p_dir_bda: connectable direct initiator's LE device address
**                  chnl_map: advertising channel map.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_BleReadAdvParams (UINT16 *adv_int_min, UINT16 *adv_int_max,
                            tBLE_BD_ADDR *p_dir_bda, tBTM_BLE_ADV_CHNL_MAP *p_chnl_map);
 
 
/*******************************************************************************
**
** Function         BTM_BleSetScanParams
**
** Description      This function is called to set Scan parameters.
**
** Parameters       adv_int_min: minimum advertising interval
**                  adv_int_max: maximum advertising interval
**                  scan_type: scan mode.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_BleSetScanParams(UINT16 scan_interval, UINT16 scan_window,
                                         tBTM_BLE_SCAN_MODE scan_type);
 
/*******************************************************************************
**
** Function         BTM_BleWriteScanRsp
**
** Description      This function is called to write LE scan response.
**
** Parameters:      p_scan_rsp: scan response.
**
** Returns          status
**
*******************************************************************************/
BTM_API extern tBTM_STATUS BTM_BleWriteScanRsp(tBTM_BLE_AD_MASK data_mask,
                                               tBTM_BLE_ADV_DATA *p_data);
 
/*******************************************************************************
**
** Function         BTM_BleReset
**
** Description      This function is called to reset ULP controller.
**
** Parameters       None.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_BleReset(void);
 
/*******************************************************************************
**
** Function         BTM_BleObserve
**
** Description      This procedure keep the device listening for advertising
**                  events from a broadcast device.
**
** Parameters       start: start or stop observe.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern tBTM_STATUS BTM_BleObserve(BOOLEAN start, UINT8 duration,
                           tBTM_INQ_RESULTS_CB *p_results_cb, tBTM_CMPL_CB *p_cmpl_cb);
 
 
/*******************************************************************************
**
** Function         BTM_GetDeviceIDRoot
**
** Description      This function is called to read the local device identity
**                  root.
**
** Returns          void
**                  the local device ER is copied into er
**
*******************************************************************************/
BTM_API extern void BTM_GetDeviceIDRoot (BT_OCTET16 ir);
 
/*******************************************************************************
**
** Function         BTM_GetDeviceEncRoot
**
** Description      This function is called to read the local device encryption
**                  root.
**
** Returns          void
**                  the local device ER is copied into er
**
*******************************************************************************/
BTM_API extern void BTM_GetDeviceEncRoot (BT_OCTET16 er);
 
/*******************************************************************************
**
** Function         BTM_GetDeviceDHK
**
** Description      This function is called to read the local device DHK.
**
** Returns          void
**                  the local device DHK is copied into dhk
**
*******************************************************************************/
BTM_API extern void BTM_GetDeviceDHK (BT_OCTET16 dhk);
 
/*******************************************************************************
**
** Function         BTM_SecurityGrant
**
** Description      This function is called to grant security process.
**
** Parameters       bd_addr - peer device bd address.
**                  res     - result of the operation BTM_SUCCESS if success.
**                            Otherwise, BTM_REPEATED_ATTEMPTS is too many attempts.
**
** Returns          None
**
*******************************************************************************/
BTM_API extern void BTM_SecurityGrant(BD_ADDR bd_addr, UINT8 res);
 
/*******************************************************************************
**
** Function         BTM_BlePasskeyReply
**
** Description      This function is called after Security Manager submitted
**                  passkey request to the application.
**
** Parameters:      bd_addr      - Address of the device for which passkey was requested
**                  res          - result of the operation SMP_SUCCESS if success
**                  passkey - numeric value in the range of
**                  BTM_MIN_PASSKEY_VAL(0) - BTM_MAX_PASSKEY_VAL(999999(0xF423F)).
**
*******************************************************************************/
BTM_API extern void BTM_BlePasskeyReply (BD_ADDR bd_addr, UINT8 res, UINT32 passkey);
 
/*******************************************************************************
**
** Function         BTM_LeOobDataReply
**
** Description      This function is called to provide the OOB data for
**                  SMP in response to BTM_LE_OOB_REQ_EVT
**
** Parameters:      bd_addr     - Address of the peer device
**                  res         - result of the operation SMP_SUCCESS if success
**                  p_data      - simple pairing Randomizer  C.
**
*******************************************************************************/
BTM_API extern void BTM_BleOobDataReply(BD_ADDR bd_addr, UINT8 res, UINT8 len, UINT8 *p_data);
 
 
/*******************************************************************************
**
** Function         BTM_BleDataSignature
**
** Description      This function is called to sign the data using AES128 CMAC
**                  algorith.
**
** Parameter        bd_addr: target device the data to be signed for.
**                  p_text: singing data
**                  len: length of the signing data
**                  signature: output parameter where data signature is going to
**                             be stored.
**
** Returns          TRUE if signing sucessul, otherwise FALSE.
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_BleDataSignature (BD_ADDR bd_addr, UINT8 *p_text, UINT16 len,
                                             BLE_SIGNATURE signature);
 
/*******************************************************************************
**
** Function         BTM_BleVerifySignature
**
** Description      This function is called to verify the data signature
**
** Parameter        bd_addr: target device the data to be signed for.
**                  p_orig:  original data before signature.
**                  len: length of the signing data
**                  counter: counter used when doing data signing
**                  p_comp: signature to be compared against.
 
** Returns          TRUE if signature verified correctly; otherwise FALSE.
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_BleVerifySignature (BD_ADDR bd_addr, UINT8 *p_orig,
                                            UINT16 len, UINT32 counter,
                                            UINT8 *p_comp);
 
/*******************************************************************************
**
** Function         BTM_SetRandomAddr
**
** Description      This function is called to set the local device random address
**                  .
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_SetRandomAddr (tBTM_BLE_RANDOM_SET_CBACK *p_cback);
 
/*******************************************************************************
**
** Function         BTM_ReadConnectionAddr
**
** Description      This function is called to set the local device random address
**                  .
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_ReadConnectionAddr (BD_ADDR conn_addr);
 
/*******************************************************************************
**
** Function         BTM_BleLoadLocalKeys
**
** Description      Local local identity key, encryption root or sign counter.
**
** Parameters:      key_type: type of key, can be BTM_BLE_KEY_TYPE_ID, BTM_BLE_KEY_TYPE_ER
**                            or BTM_BLE_KEY_TYPE_COUNTER.
**                  p_key: pointer to the key.
*
** Returns          non2.
**
*******************************************************************************/
BTM_API extern void BTM_BleLoadLocalKeys(UINT8 key_type, tBTM_BLE_LOCAL_KEYS *p_key);
 
 
/*******************************************************************************
**
** Function         BTM_BleSetBgConnType
**
** Description      This function is called to set BLE background connection
**                  procedure type. It can be auto connection, or selective connection.
**
** Parameters       conn_type: it can be auto connection, or selective connection.
**                  p_select_cback: callback function when selective connection procedure
**                              is being used.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_BleSetBgConnType(tBTM_BLE_CONN_TYPE   conn_type,
                                    tBTM_BLE_SEL_CBACK   *p_select_cback);
 
/*******************************************************************************
**
** Function         BTM_BleUpdateBgConnDev
**
** Description      This function is called to add or remove a device into/from
**                  background connection procedure. The background connection
*                   procedure is decided by the background connection type, it can be
*                   auto connection, or selective connection.
**
** Parameters       add_remove: TRUE to add; FALSE to remove.
**                  remote_bda: device address to add/remove.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern BOOLEAN BTM_BleUpdateBgConnDev(BOOLEAN add_remove, BD_ADDR   remote_bda);
 
 
/********************************************************
**
** Function         BTM_BleSetPrefConnParams
**
** Description      Set a peripheral's preferred connection parameters. When
**                  any of the value does not want to be updated while others
**                  do, use BTM_BLE_CONN_PARAM_UNDEF for the ones want to
**                  leave untouched.
**
** Parameters:      bd_addr          - BD address of the peripheral
**                  min_conn_int     - minimum preferred connection interval
**                  max_conn_int     - maximum preferred connection interval
**                  slave_latency    - preferred slave latency
**                  supervision_tout - preferred supervision timeout
**
** Returns          void
**
*******************************************************************************/
BTM_API extern  void BTM_BleSetPrefConnParams (BD_ADDR bd_addr,
                                               UINT16 min_conn_int,  UINT16 max_conn_int,
                                               UINT16 slave_latency, UINT16 supervision_tout);
 
/******************************************************************************
**
** Function         BTM_BleSetConnScanParams
**
** Description      Set scan parameters used in BLE connection request
**
** Parameters:      scan_interval    - scan interval
**                  scan_window      - scan window
**
** Returns          void
**
*******************************************************************************/
BTM_API extern  void BTM_BleSetConnScanParams (UINT16 scan_interval, UINT16 scan_window);
 
/*******************************************************************************
**
** Function         BTM_CheckAdvData
**
** Description      This function is called to get ADV data for a specific type.
**
** Parameters       p_adv - pointer of ADV data
**                  type   - finding ADV data type
**                  p_length - return the length of ADV data not including type
**
** Returns          pointer of ADV data
**
*******************************************************************************/
BTM_API extern  UINT8 *BTM_CheckAdvData( UINT8 *p_adv, UINT8 type, UINT8 *p_length);
 
/*******************************************************************************
**
** Function         BTM_ReadDevInfo
**
** Description      This function is called to read the device/address type
**                  of BD address.
**
** Parameter        remote_bda: remote device address
**                  p_dev_type: output parameter to read the device type.
**                  p_addr_type: output parameter to read the address type.
**
*******************************************************************************/
BTM_API extern void BTM_ReadDevInfo (BD_ADDR remote_bda, tBT_DEVICE_TYPE *p_dev_type,
                                     tBLE_ADDR_TYPE *p_addr_type);
 
/*******************************************************************************
**
** Function         BTM_BleBroadcast
**
** Description      This function is to start or stop broadcasting.
**
** Parameters       start: start or stop broadcasting.
**
** Returns          status.
**
*******************************************************************************/
BTM_API extern tBTM_STATUS BTM_BleBroadcast(BOOLEAN start);
 
/*******************************************************************************
**
** Function         BTM_RegisterScanReqEvt
**
** Description      This function is called to register a scan request callback
**                  on the advertiser.
**
** Parameters       p_scan_req_cback: scan request callback.  If NULL, remove the
**                                    registration.
**
** Returns          void
**
*******************************************************************************/
BTM_API extern void BTM_RegisterScanReqEvt(tBTM_BLE_SCAN_REQ_CBACK *p_scan_req_cback);
 
 
#ifdef __cplusplus
}
#endif
 
#endif